OBD-II code · Powertrain (generic, extended)
P226F Turbocharger Boost Control B Slow Response
Turbocharger Boost Control B Slow Response: the control module has detected this fault condition. This affects turbo/supercharger boost-pressure control.
Is it safe to drive with P226F?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelyVGT vanes stiff or worn
Symptoms
- Charge status indicator shows fault
- Charging may not start or interrupts
- Slower-than-expected charge rate
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1.5–8 h
- Emissions test
- Likely to fail
- Parts involved
- Turbocharger
Related codes
- P226CTurbocharger Boost Control A Slow Response
- P226DParticulate Filter Deteriorated/Missing Substrate (Bank 1)
- P226EParticulate Filter Deteriorated/Missing Substrate (Bank 2)
- P2270O2 Sensor Signal Stuck Lean (Bank 1, Sensor 2)
- P2271O2 Sensor Signal Stuck Rich (Bank 1, Sensor 2)
- P2272O2 Sensor Signal Stuck Lean (Bank 2, Sensor 2)
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.